Gbanu (Gbànù, Banu, Gbanou) is a Gbaya language of the Central African Republic.
Gbanu has 14 vowels, oral /i e ɛ a ɔ o u/ and nasal /ĩ ẽ ɛ̃ ã ɔ̃ õ ũ/.
There are four tones on CV syllables, high, low, rising, and falling.
Words have six tone patterns, those four plus dipping (falling–rising) and peaking (rising–falling).
Intervocallically, the only voicing distinction that is maintained is /s, z/; otherwise only voiceless oral stops and fricatives occur between vowels.